CVE-2026-27403

WordPress Hubbub Lite plugin <= 1.36.3 - Cross Site Scripting (XSS) vulnerability

Published Jul 23, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NerdPress Hubbub Lite allows Stored XSS.

This issue affects Hubbub Lite: from n/a through 1.36.3.

Remediation

Vendor Solution

Update the WordPress Hubbub Lite plugin to the latest available version (at least 1.36.3.1).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description Contributor Cross Site Scripting (XSS) in Hubbub Lite <= 1.36.3 versions. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NerdPress Hubbub Lite allows Stored XSS. This issue affects Hubbub Lite: from n/a through 1.36.3.
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Nerdpress
Nerdpress hubbub Lites
Wordpress
Wordpress wordpress
Vendors & Products Nerdpress
Nerdpress hubbub Lites
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description Contributor Cross Site Scripting (XSS) in Hubbub Lite <= 1.36.3 versions.
Title WordPress Hubbub Lite plugin <= 1.36.3 - Cross Site Scripting (XSS) vulnerability
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Jul 23, 2026, 7:32 PM
Reserved
Feb 19, 2026, 9:52 AM
Status
Deferred
Published
Jul 23, 2026, 12:17 PM
Modified
Oct 24, 2026, 1:10 PM